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ASTM International, 05/01/2013
Publisher: ASTM
File Format: PDF
$29.00$58.00
Published:01/05/2013
Pages:8
File Size:1 file , 180 KB
Note:This product is unavailable in Russia, Ukraine, Belarus
1.1 This specification covers self-contained, internally operated, globe style, pressure-reducing valves for use in steam service. In these valves, the downstream pressure feedback is sensed by a spring-loaded diaphragm to position a pilot valve-the pilot valve uses the inlet steam pressure to position the main valve plug via an operating piston.
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